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Contents.
CHAPTER VI.
Faraday.
Page
Discovery of induced currents: lines of magnetic force,
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189 |
Self-induction,
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193 |
Identity of frictional and voltaic electricity: Faraday's views on the nature of electricity,
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194 |
Electro-chemistry,
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197 |
Controversy between the adherents of the chemical and contact hypotheses,
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201 |
The properties of dielectrics,
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206 |
Theory of dielectric polarization : Faraday, W. Thomson, and Mosgotti,
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211 |
The connexion between magnetism and light,
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213 |
Airy's theory of magnetic rotatory polarization,
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214 |
Faraday's Thoughts on Ray-Vibrations,
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217 |
Researches of Faraday and Plücker on diamagnetism,
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218 |
CHAPTER VII.
The Mathematical Electricians of the Middle of the Nineteenth Century.
F. Neumann's theory of induced currents: the electrodynamic potential,
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222 |
W. Weber's theory of electrons,
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225 |
Riemann's law,
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231 |
Proposals to modify the law of gravitation,
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232 |
Weber's theory of paramagnetism and diamagnetism: later theories,
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234 |
Joule's law: energetics of the voltaic cell,
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239 |
Researches of Helmholtz on electrostatic and electrodynamic energy,
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242 |
W. Thomson distinguishes the circuital and irrotational magnetic vectors,
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244 |
His theory of magnecrystallic action,
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245 |
His formula for the energy of a magnetic field,
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247 |
Extension of this formula to the case of fields produced by currents,
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249 |
Kirchhoff identifies Ohm's electroscopic force with electrostatic potential,
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251 |
The discharge of a Leyden jar: W. Thomson's theory,
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253 |
The velocity of electricity and the propagation of telegraphic signals,
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254 |
Clausius' law of force between electric charges : crucial experiments,
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261 |
Nature of the current,
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263 |
The thermo-electric researches of Peltier and W. Thomson,
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264 |